FDMF6823C datasheet(2/21 Pages) ONSEMI

2 / 21 page

April 2013

www.fairchildsemi.com

FDMF6823C • Rev. 1.0.3

FDMF6823C — Extra-Small, High-Performance,

High-Frequency DrMOS Module

Benefits

 Ultra-Compact 6x6 mm PQFN, 72% Space-Saving

Compared to Conventional Discrete Solutions

 Fully Optimized System Efficiency

 Clean Switching Waveforms with Minimal Ringing

 High-Current Handling

Features

 Over 93% Peak-Efficiency

 High-Current Handling: 50 A

 High-Performance PQFN Copper-Clip Package

 3-State 5 V PWM Input Driver

 Skip-Mode SMOD# (Low-Side Gate Turn Off) Input

 Thermal Warning Flag for Over-Temperature

Condition

 Driver Output Disable Function (DISB# Pin)

 Internal Pull-Up and Pull-Down for SMOD# and

DISB# Inputs, Respectively

 Fairchild PowerTrench® Technology MOSFETs for

Clean Voltage Waveforms and Reduced Ringing

 Fairchild SyncFET™ (Integrated Schottky Diode)

Technology in Low-Side MOSFET

 Integrated Bootstrap Schottky Diode

 Adaptive Gate Drive Timing for Shoot-Through

Protection

 Under-Voltage Lockout (UVLO)

 Optimized for Switching Frequencies up to 1 MHz

 Low-Profile SMD Package

 Fairchild Green Packaging and RoHS Compliance

 Based on the Intel® 4.0 DrMOS Standard

Description

The XS™ DrMOS family is Fairchild’s next-generation,

fully optimized, ultra-compact, integrated MOSFET plus

driver power stage solution for high-current, high-

frequency, synchronous buck DC-DC applications. The

FDMF6823C

integrates

driver

IC,

two

power

MOSFETs, and a bootstrap Schottky diode into a

thermally enhanced, ultra-compact 6x6 mm package.

With an integrated approach, the complete switching

power stage is optimized with regard to driver and

MOSFET dynamic performance, system inductance,

and power MOSFET RDS(ON). XS™ DrMOS uses

Fairchild's high-performance PowerTrench

MOSFET

technology, which dramatically reduces switch ringing,

eliminating the need for snubber circuit in most buck

converter applications.

A driver IC with reduced dead times and propagation

delays further enhances the performance. A thermal

warning function warns of a potential over-temperature

situation. The FDMF6823C also incorporates a Skip

Mode (SMOD#) for improved light-load efficiency. The

FDMF6823C also provides a 3-state 5V PWM input for

compatibility with a wide range of PWM controllers.

Applications

 High-Performance Gaming Motherboards

 Compact Blade Servers, V-Core and Non-V-Core

DC-DC Converters

 Desktop Computers, V-Core and Non-V-Core

DC-DC Converters

 Workstations

 High-Current DC-DC Point-of-Load Converters

 Networking and Telecom Microprocessor Voltage

Regulators

 Small Form-Factor Voltage Regulator Modules

Ordering Information

Part Number

Current Rating

Package

Top Mark

FDMF6823C

50 A

40-Lead, Clipbond PQFN DrMOS, 6.0 mm x 6.0 mm Package

FDMF6823C

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